President Barack Obama addresses the nation after a tragic shooting at Sandy Hook Elementary School in Newtown, Conn. left 20 students and 7 adults dead, including the shooter. Photo: Getty Images.

This transcript has been automatically generated and may not be 100% accurate.

... I ... the ... reflecting on this last reduced before honest with ourselves ... the answers now ... we're not doing him ... we went to change ... since I've been president is the fourth time ... we've come together to ... comfort the grieving community for ... our Buy mansion ... four time we Top survivors ... the fourth time ... we consoled the families of victims ... we can tolerate dissent ... this Treasurys Mazen ... and to um them we must change ... we will be told that because of such violence are complex and that is true ... no single wall ... most of loss ... can eliminate ... evil from the world or prevent every senseless act of violence in our society ... but they can be an excuse for inaction ... surely we can do better than this ... there's even one step ... we can take to save another child ... for another parent ... for another town ... from a grievance visit to some ... Aurora ... ten o three ... the new town ... the commune is from Columbine to Blacksburg or for that ... and surely we have an obligation to try ...